The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-00-121-9131, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-00-121-9131 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Electrical Resistance Per Section | 20.000 KILOHMS 1ST SECTION AND 20.000 KILOHMS 2ND SECTION |
| Section Quantity | 2 |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Function Characteristic Per Section | SINGLE SECTION LINEAR |
| Function Conformity Tolerance Per Section | -0.20 TO 0.20 SINGLE SECTION |
| Mounting Method | CLAMP RING(S) |
| Shaft Style | ROUND |
| Actuator Type | SINGLE SHAFT |
| Power Dissipation Rating Per Section in Watts | 2.0 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 350.0 NOMINAL |
| Actuator Travel Control Feature | STOPS |
| Resistance Tolerance Per Section in Percent | -1.0 TO 1.0 1ST SECTION AND -1.0 TO 1.0 2ND SECTION |
| Terminal Type and Quantity | 12 TURRET |
| Rotary Actuator Travel in Angular Deg | 360.0 NOMINAL |
| Ambient Temp in Deg Celsius Per Section at Full Rated Power | 25.0 SINGLE SECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 323-126 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5905-00-121-9131 is a Resistor,variable,wire Wound,pre, classified under FSC 5905, Resistor. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5905-00-913-6228, 5330-01-366-5884. Verify interchangeability with system specifications before substitution.
Key specifications for 5905-00-121-9131: Electrical Resistance Per Section: 20.000 KILOHMS 1ST SECTION AND 20.000 KILOHMS 2ND SECTION; Section Quantity: 2; Shaft Diameter: 0.125 INCHES NOMINAL IN; Function Characteristic Per Section: SINGLE SECTION LINEAR. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.